XML 60 R47.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Long-term Debt - Summary of Long-term Debt (Parenthetical) (Detail) | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Dec. 31, 2017 | Jun. 30, 2017
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate |  |  | 6.50%
4.00% Senior Notes due 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 4.00% | 4.00% |
Debt instrument maturity date | 2025 | 2025 |
3.30% Senior Notes due 2021 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 3.30% | 3.30% |
Debt instrument maturity date | 2021 | 2021 |
3.00% Senior Notes due 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 3.00% | 3.00% |
Debt instrument maturity date | 2020 | 2020 |
3.65% Senior Notes due 2023 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 3.65% | 3.65% |
Debt instrument maturity date | 2023 | 2023 |
4.20% Senior Notes due 2021 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 4.20% | 4.20% |
Debt instrument maturity date | 2021 | 2021 |
2.40% Senior Notes due 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 2.40% | 2.40% |
Debt instrument maturity date | 2022 | 2022 |
3.63% Senior Notes due 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 3.63% | 3.63% |
Debt instrument maturity date | 2022 | 2022 |
2.65% Senior Notes due 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 2.65% | 2.65% |
Debt instrument maturity date | 2022 | 2022 |
2.20% Senior Notes due 2020 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 2.20% | 2.20% |
Debt instrument maturity date | 2020 | 2020 |
7.00% Notes due 2038 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 7.00% | 7.00% |
Debt instrument maturity date | 2038 | 2038 |
4.50% Notes due 2021 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 4.50% | 4.50% |
Debt instrument maturity date | 2021 | 2021 |
5.95% Notes due 2041 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 5.95% | 5.95% |
Debt instrument maturity date | 2041 | 2041 |
3.60% Notes due 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 3.60% | 3.60% |
Debt instrument maturity date | 2022 | 2022 |
5.13% Notes due 2043 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 5.13% | 5.13% |
Debt instrument maturity date | 2043 | 2043 |
4.00% Notes due 2023 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 4.00% | 4.00% |
Debt instrument maturity date | 2023 | 2023 |
3.70% Notes due 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 3.70% | 3.70% |
Debt instrument maturity date | 2024 | 2024 |
0.63% Guaranteed Notes due 2019 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 0.63% | 0.63% |
Debt instrument maturity date | 2019 | 2019 |
1.50% Guaranteed Notes due 2019 |  |  |
Debt Instrument [Line Items] |  |  |
Debt instrument interest rate | 1.50% | 1.50% |
Debt instrument maturity date | 2019 | 2019 |

X
- Definition Debt instrument maturity. + References No definition available. + Details
Name: | slb_DebtInstrumentMaturityYear
Namespace Prefix: | slb_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_FourPointZeroZeroPercentSeniorNotesDueTwoThousandTwentyFiveMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_ThreePointThreeZeroPercentSeniorNotesDueTwoThousandTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_ThreePointZeroZeroPercentSeniorNotesDueTwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_ThreePointSixFivePercentSeniorNotesDueTwoThousandTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_SeniorNotesFourPointTwoZeroPercentDueTwoThousandTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_SeniorNotesTwoPointFourZeroPercentDueTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_ThreePointSixThreePercentSeniorNotesDueTwoThousandAndTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_TwoPointSixFivePercentSeniorNotesDueTwoThousandTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_TwoPointTwoZeroPercentSeniorNotesDueTwoThousandTwentyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_SevenPointZeroZeroPercentNotesDueTwoThousandThirtyEightMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_FourPointFiveZeroPercentNotesDueTwoThousandTwentyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_FivePointNineFivePercentNotesDueTwoThousandFortyOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_ThreePointSixZeroPercentNotesDueTwoThousandTwentyTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_FivePointOneThreePercentNotesDueTwoThousandFortyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_FourPointZeroZeroPercentNotesDueTwoThousandTwentyThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_ThreePointSevenZeroPercentNotesDueTwoThousandAndTwentyFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_GuaranteedNotesZeroPointSixThreePercentDueTwoThousandNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=slb_GuaranteedNotesOnePointFiveZeroPercentDueTwoThousandNineteenMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |